Wastewater treatment professionals face daily exposure to a wide variety of pathogens. These include viruses, bacteria, fungi, protozoa, and helminthes, as well as allergins, endotoxins, and exotoxins. While generally minimal, potential health hazards are still cause for concern....

Electrical Circuit Theory and Technology is a fully comprehensive text for courses in electrical and electronic principles, circuit theory and electrical technology. The coverage takes students from the fundamentals of the subject, to the completion of a first year degree level course. Thus, this book is ideal for students studying...

Fully illustrated, easy to use, and completely up-to-date, Birds of the West Indies is the only field guide that covers all of the bird species known to occur in the region--including migrants and infrequently occurring forms. Each species is represented by a full description that includes identification field marks, status and range,...

With Your Family has the inside knowledge for trouble-free...

Have you ever wondered how electronic products are created? Do you have an idea for a new electronic gadget but no way of testing the feasibility of the device? Have you accumulated a junk box of electronic parts and now wonder what to build with them? Well, this book will answer all your questions about discovering cool and innovative...